... 4.Base:E27, E14, B22 5.Lifetime:6000-10000hr 3U energy saving lamp description:1.Tube Diameter:φ7mm,φ9mm,φ12mm, Power:9W,11W ... .Plastic: PBT meterials with fireproofing, PC, PP, etc.6.Base type: E27,E14,B227.CRI: Ra>=808.Power Factor:0.55 ... :1) Small size, quick start, no flick2) With excellent 80% energy saving3) With tri-phosphor powder of light tube4) High lumens ...